2,4-Dibromothiophene
Also known as: 2,4-DIBROMOTHIOPHENE, 2,4-DIBROMOTHIOPHENE 96%, 2,4-DIBROMOTHIOPHENE, 90+%, 2,4-DIBROMOTHIOPHENE,96%, 2,4-Dibrom-thiophen, 2,4-Dibromo-thiophene, 2,4-Dibromothiophene ISO 9001:2015 REACH, 2,4-Dibromothiophene,94%, 2,4-Dibromothiophene>, Thiophene, 2,4-dibromo-, 2,4-dibromothiophen, 3,5-dibromothiophene, MFCD00043889, Thiophene,2,4-dibromo-, S0514
2,4-Dibromothiophene (CAS 3140-92-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2Br2S and a molecular weight of 241.932 g/mol. Key properties include a melting point of -30ºC, a boiling point of 213.4±20.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 82.9±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3140-92-9
- Jingsj CID
- J-26493-7
- Molecular Formula
- C4H2Br2S
- Molecular Weight
- 241.932 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -30ºC |
|---|---|
| Boiling Point | 213.4±20.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 82.9±21.8 °C |
| Exact Mass | 239.824387 |
| PSA | 28.24000 |
| LogP | 3.42 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.638 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Dibromothiophene?
The CAS number of 2,4-Dibromothiophene is 3140-92-9.
What are the molecular formula and molecular weight of 2,4-Dibromothiophene?
2,4-Dibromothiophene has molecular formula C4H2Br2S and molecular weight 241.932 g/mol.
Is 2,4-Dibromothiophene hazardous?
2,4-Dibromothiophene has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2,4-Dibromothiophene?
For 2,4-Dibromothiophene, Upstream Products: 2,3,5-Tribromothiophene, 2,5-Dibromothiophene, 2-Thienylmagnesium bromide; Downstream Products: 3,3'-Bithiophene, 3,5-Dibromothiophene-2-carbaldehyde, 1,4-Bis(trimethylsilyl)-1,3-butadiyne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dibromothiophene (CAS 3140-92-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26493-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.